Grass EZM 4 Electrode Impedance Meter
Brand:
Circa
1980s
About This Item
GRASS Instruments Model EzM4 with digital display. Headbox was attached via cable to the meter to evaluate electrode impedance (electrical resistance) with acceptable ranges of 5k to 10k ohms.
This item is in the collection of
Know something about this item?
If so, we'd love if you shared your knowledge so we can share it with the rest of our visitors.